众所周知DS的R1是现在体验最好的reasoning模型（能力强，CoT可见，擅长中文），但官方和siliconflow的服务目前都不太稳定，第三方服务容易跳过thinking过程。尽管DS官方文档指出 

Avoid adding a system prompt; all instructions should be contained within the user prompt. 
… 
To ensure that the model engages in thorough reasoning, we recommend enforcing the model to initiate its response with “\n” at the beginning of every output. 

但似乎绝大多数第三方API并未提供指定回复格式的功能，目前貌似只有together...